39871780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{153353}}^1$

素因数の和:153375

約数の個数: 24

約数和(自身を含む): 90172152

約数和(自身を除く): 50300372

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 153353, 306706, 613412, 766765, 1533530, 1993589, 3067060, 3987178, 7974356, 9967945, 19935890, 39871780]

約数ペア:

[(1, 39871780), (2, 19935890), (4, 9967945), (5, 7974356), (10, 3987178), (13, 3067060), (20, 1993589), (26, 1533530), (52, 766765), (65, 613412), (130, 306706), (260, 153353)]